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參數(shù)資料
| 型號： | ST72321BM |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 80-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE(具有ICP,IAP,Nested Interrupt,TLI,ROP的8位MCU) |
| 中文描述： | 80引腳8位微控制器32至60,000閃存/ ROM，ADC的，5個定時器，SPI和SCI的I2C接口（具有比較方案，國際檢察官聯(lián)合會，嵌套中斷，中華語文研習(xí)所，人事登記的8位微控制器） |
| 文件頁數(shù)： | 107/178頁 |
| 文件大?。?/td> | 3121K |
| 代理商： | ST72321BM |
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ST72F321M, ST72321BM
107/178
SERIAL COMMUNICATIONS INTERFACE
(Cont’d)
CONTROL REGISTER 2 (SCICR2)
Read/Write
Reset Value: 0000 0000 (00h)
Bit 7 =
TIE
Transmitter interrupt enable
.
This bit is set and cleared by software.
0: Interrupt is inhibited
1: An SCI interrupt is generated whenever
TDRE=1 in the SCISR register
Bit 6 = TCIE
Transmission complete interrupt ena-
ble
This bit is set and cleared by software.
0: Interrupt is inhibited
1: An SCI interrupt is generated whenever TC=1 in
the SCISR register
Bit 5 =
RIE
Receiver interrupt enable
.
This bit is set and cleared by software.
0: Interrupt is inhibited
1: An SCI interrupt is generated whenever OR=1
or RDRF=1 in the SCISR register
Bit 4 =
ILIE
Idle line interrupt enable.
This bit is set and cleared by software.
0: Interrupt is inhibited
1: An SCI interrupt is generated whenever IDLE=1
in the SCISR register.
Bit 3 =
TE
Transmitter enable.
This bit enables the transmitter. It is set and
cleared by software.
0: Transmitter is disabled
1: Transmitter is enabled
Notes:
– During transmission, a “0” pulse on the TE bit
(“0” followed by “1”) sends a preamble (idle line)
after the current word.
– When TE is set there is a 1 bit-time delay before
the transmission starts.
Caution:
The TDO pin is free for general purpose
I/O only when the TE and RE bits are both cleared
(or if TE is never set).
Bit 2 =
RE
Receiver enable.
This bit enables the receiver. It is set and cleared
by software.
0: Receiver is disabled
1: Receiver is enabled and begins searching for a
start bit
Bit 1 =
RWU
Receiver wake-up.
This bit determines if the SCI is in mute mode or
not. It is set and cleared by software and can be
cleared by hardware when a wake-up sequence is
recognized.
0: Receiver in Active mode
1: Receiver in Mute mode
Note:
Before selecting Mute mode (setting the
RWU bit), the SCI must receive some data first,
otherwise it cannot function in Mute mode with
wakeup by idle line detection.
Bit 0 =
SBK
Send break.
This bit set is used to send break characters. It is
set and cleared by software.
0: No break character is transmitted
1: Break characters are transmitted
Note:
If the SBK bit is set to “1” and then to “0”, the
transmitter sends a BREAK word at the end of the
current word.
7
0
TIE
TCIE
RIE
ILIE
TE
RE
RWU
SBK
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST72321BR6-AUTO | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM, ADC, 5 timers, SPI, SCI, I2C interface |
| ST72321BR7-AUTO | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM, ADC, 5 timers, SPI, SCI, I2C interface |
| ST72321BR9-AUTO | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM, ADC, 5 timers, SPI, SCI, I2C interface |
| ST72321BXXX-AUTO | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM, ADC, 5 timers, SPI, SCI, I2C interface |
| ST72321J | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, 5 TIMERS, SPI, SCI, I2C INTERFACE |
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